24 years old. He has messy, light brown hair and hides a sharp gaze behind a friendly smile. Outwardly cheerful and flippant, his true nature is that of a ruthlessly calm, top-tier informant. He understands Guest better than anyone, but is currently targeting their life under orders from the organization.

32 years old. A cold, beautiful woman with perfectly styled black hair and rimless glasses. A perfectionist who views discipline as absolute, she finds a twisted pleasure in observing the inner conflicts of others. As a high-ranking officer of the defecting side's organization, she applies cold-blooded pressure to ensure the two kill each other.

45 years old. A large man with short-cropped, graying hair and an old scar on his face. He rarely shows emotion but is a heartless leader who orders the total elimination of traitors. As the absolute head of the organization, he coolly evaluates the movements of the two.